This adapter will enable you to use a normal serialcable as a nullmodem.
 (to the Computer).
 (to the Computer).
 (to the Serialcable).
 (to the Serialcable).
25 PIN D-SUB FEMALE to the Computer.
25 PIN D-SUB MALE to the Serialcable.
| Female | Male | ||
|---|---|---|---|
| Shield Ground | 1 | 1 | Shield Ground | 
| Transmit Data | 2 | 3 | Receive Data | 
| Receive Data | 3 | 2 | Transmit Data | 
| Request to Send | 4 | 5 | Clear to Send | 
| Clear to Send | 5 | 4 | Request to Send | 
| Data Set Ready | 6 | 20 | Data Terminal Ready | 
| Data Terminal Ready | 20 | 6 | Data Set Ready | 
| Ground | 7 | 7 | Ground | 
| Contributor: | Joakim Ögren | 
| Source: | ? | 
  Copyright © The Hardware Book Team 1996-2004.
  May be copied and redistributed, partially or in whole, as appropriate.
  Document last modified: 2002-01-10